Melting Arctic ice is revealing a hidden world of nitrogen-fixing bacteria beneath the surface. These microbes, not the usual cyanobacteria, enrich the ocean with nitrogen, fueling algae growth that ...

As the Arctic Ocean loses its sea ice due to climate change, sunlight penetrates deeper into the water and encourages the growth of tiny plant-like organisms (phytoplankton). But to thrive, they need ...

I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape. Piles of blue and white sea-ice rubble several feet high gave way to flat areas ...

In a remote corner of Northern Norway, inside a dark coastal cave sealed off for millennia, scientists have opened a rare time capsule of life from 75,000 years ago. The bones and DNA traces of dozens ...

Beneath the Arctic permafrost, ancient organisms have lain dormant for approximately 40,000 years, preserved in a frozen state that halted their biological activity. Recent scientific observations ...

The Arctic Ocean, once locked in a vault of thick, old ice, now is transforming at lightspeed. Temperatures there are increasing at up to four times the rate of the planet overall, melting sea ice ...

But spending time on the ice with people who rely on it for their way of life provides a different perspective. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Alexandra Jahn receives funding from the National Science Foundation. As I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape. Piles of ...